Systems and methods for accessing and monitoring a fluid within a pressurized pipe include a nozzle coupled to a section of the pressurized pipe and defining an open proximal end fluidly communicating with the pressurized pipe through an access hole formed in the pressurized pipe, an open distal end, and an interior passage extending from the open proximal end to the open distal end. A cover plate is coupled to the open distal end of the nozzle. A valve element is disposed in the interior passage and movable between an open position, in which the valve element is entirely disposed within the nozzle, and a closed position, in which a proximal section of the valve element is disposed in the pressurized pipe. A sensor port extends through a proximal end of the nozzle and positioned to fluidly communicate with the interior passage when the valve element is in the open position.

A device for sampling a fluid, includes a sampling chamber including a first piston driven by the fluid, and an additional device configured to increase the volume of the sampling chamber. The sampling chamber serves as both a sampler and also as a container for the sampled fluid and it can also be used as a cell for the analysis of the fluid.

Apparatus and a method are provided for bringing a well-fluid sample in a well through a sampling device which is in fluid communication with the apparatus. The apparatus includes: a dump chamber for receiving the well-fluid sample; a first hydraulic piston arranged in a first cylinder housing; a second hydraulic piston arranged in a second cylinder housing; a piston rod for mechanically connecting the first piston to the second piston to form a piston arrangement, the dump chamber being defined by the first piston and a portion of the first cylinder housing. The apparatus further includes at least one holding device arranged to switch between an active position, in which the piston arrangement is held fixed against movement, and an inactive position, in which the piston arrangement is allowed a movement relative to the cylinder housings.

The proposed solution concerns in particular an engine, with at least two valve devices for controlling bleed air in dependence on an operating state of the engine, the at least two valve devices in each case being adjustable between an open position and a closed position. A flow space is provided for at least one fluid flow occurring in the flow space in dependence on a position of the at least two valve devices. Arranged in the flow space is at least one fluid sensor, by means of which at least one position of at least one of the at least two valve devices can be determined on the basis of the fluid in the flow space.

The present invention provides a continuous mobile monitoring unit of a flow of cooling water comprising means to extract a flow of cooling water, means to analyze a plurality of parameters of the cooling water by means of diverse analytical techniques, generating results relating to each one of the parameters analyzed, and means to return the flow of cooling water to the cooling system (1). In addition, the invention furthermore provides a method of continuous monitoring of the flow of cooling water comprising the stages of: extracting a flow of cooling water, analyzing a plurality of parameters of the cooling water by means of diverse analytical techniques, generating results relating to each one of the parameters analyzed, and returning the cooling water to the cooling system (1).

A lid mounted water sampling system adapted to be fluidly coupled to a water line for obtaining water quality parameters corresponding to a sample of pressurized water from the water line and transmitting information associated with said water quality parameters to a remote location, the system comprising: a pit lid adapted to be positioned to cover a pit box such that during use an outer surface of the pit lid is substantially at ground level and adapted to be positioned upon the pit box located underground; the pit lid further comprising an in-use underside portion coupled to a water sampling apparatus, the water sampling apparatus adapted to be positioned in an internal volume defined by the pit box, the water sampling apparatus being fluidly coupled to the water line for obtaining water quality parameters corresponding to a sample of the pressurized water from the water line; and a data transmitter positioned adjacent said pit lid in electronic communication with the water sampling apparatus for transmitting the water quality parameters to the remote location.

A water quality management method for managing the concentration of impurity ions contained in the water to be analyzed includes connecting the ion adsorption device in which the ion adsorbent and the accumulated flow rate meter are provided to the blanch pipe, passing the water being analyzed from the blanch pipe to the ion adsorbent for a predetermined period of time to the ion adsorption device and adsorbing ions contained in the water being analyzed an ion adsorbent sample. In the ion adsorption device, an accumulated flow rate meter is provided on the downstream side of the flow direction of the water being analyzed of the ion adsorbent.

To measure water content of liquid hydrocarbon using dried liquid hydrocarbon solvent, a liquid hydrocarbon sample is received from a flowline carrying the liquid hydrocarbon. The liquid hydrocarbon sample includes liquid hydrocarbon and liquid water at a concentration greater than a water saturation level. The liquid hydrocarbon sample is split into a first portion and a remainder portion. The first portion is dried to remove liquid water in the first portion. The remainder portion is mixed with the dried first portion causing the concentration of liquid water in a mixture of the remainder portion and the dried first portion to be below the water saturation level. After mixing the remainder portion with the dried first portion, a water content in the liquid hydrocarbon sample is determined.

A subsurface safety valve for controlling fluid flow in a wellbore including a monitoring sub having a hydraulic connection port and defining a piston bore. The monitoring sub defining a hydraulic circuit extending between the hydraulic connection port and the piston bore. The monitoring sub comprising a sensing assembly incorporated in the hydraulic circuit that is operable to measure a degradation level of fluid in the hydraulic circuit. A flapper sub attached to the monitoring sub. A piston disposed in the piston bore of the monitoring sub. A flow tube positioned between the monitoring sub and the flapper attached to a downhole end of the monitoring sub and in contact with the flapper, the flow tube having a protrusion in contact with the piston. A return spring positioned in a cavity defined between the flow tube and the flapper sub, biasing the flow tube towards the monitoring sub.

Systems and methods for automatic preconcentration of fluid samples using alternating dual holding loops are described. A system embodiment includes, but is not limited to, a first sample loop and a second sample loop alternately fluidically coupled with a sample source; a first valve to alternately introduce fluid from the sample source to the first sample loop and the second sample loop; a second valve to alternately receive fluid from the first sample loop and the second sample loop and to alternately provide access to the preconcentration column to fluid received from the first sample loop and the second sample loop; and a pump system configured to alternately introduce sample held in the first sample loop and sample held in the second sample loop to the preconcentration column via the first valve and the second valve.